FOXBORO FBM247

The FBM247 provides the capability to accept a range of standard analog, discrete, and pulse inputs that are user selectable and changeable at the discretion of the engineer. The HART® input signals are electrically compatible with the standard 4 to 20 mA inputs.

The FBM247, Channel-Isolated Current/Voltage Analog/Digital/Pulse I/O Module contains eight channels which can be individually configured for a range of analog, digital and pulse field I/O signals. Each I/O channel is galvanically isolated from other channels and ground. 

The FBM247 can serve as a HART communications field device host, enabling the Foxboro Evo™ system to request and receive two digital messages per second from the field device. The message passthrough capability can be used to support HART universal, common practice, and device-specific commands, but not the burst communication mode. These commands are implemented using the Intelligent Field Device Configurator FoxCom™ and HART™ Protocols (IFDC — refer to PSS 21S-8A3 B3 for details) or PACTware (Process Automation Configuration Tool - refer to PSS 2A-1Z3 G for details).

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FBM247能够接受一系列标准模拟、离散和脉冲输入，这些输入是用户可选择的，并可由工程师自行决定。HART®输入信号与标准4至20mA输入在电气上兼容。
FBM247通道隔离电流/电压模拟/数字/脉冲输入/输出模块包含八个通道，可以单独配置用于一系列模拟、数字和脉冲场输入/输出信号。每个I/O通道与其他通道和接地进行电气隔离。 
FBM247可以作为HART通信现场设备主机，使Foxboro Evo™系统能够每秒从现场设备请求和接收两条数字消息。消息传递功能可用于支持HART通用、通用实践和设备特定命令，但不支持突发通信模式。这些命令使用智能现场设备配置器FoxCom™和HART™协议（IFDC——详见PSS 21S-8A3 B3）或PACTware（过程自动化配置工具——详见PSS 2A-1Z3 G）实现。

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